tesseract

Checksum error An error occurred while updating the package checksum.

pkg: Git checkout initial protocol failed;
 the given URL might not refer to a Git repository
  given URL: git://github.com/lasfter/tesseracket
  context...:
   /home/pkgserver/racket/collects/pkg/private/stage.rkt:762:25
   /home/pkgserver/racket/collects/net/git-checkout.rkt:339:3: for-loop
   /home/pkgserver/racket/collects/net/git-checkout.rkt:336:0: parse-initial-refs
   /home/pkgserver/racket/collects/net/git-checkout.rkt:73:8
   /home/pkgserver/racket/collects/net/git-checkout.rkt:54:2: retry-loop
   /home/pkgserver/racket/collects/racket/private/more-scheme.rkt:261:28
   /home/pkgserver/racket/collects/racket/private/list.rkt:264:4: loop
   /home/pkgserver/pkg-index/official/update.rkt:155:0: do-update!
   /home/pkgserver/pkg-index/official/common.rkt:144:0: run!
   /home/pkgserver/pkg-index/official/update.rkt:172:22